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30 lines
941 B
C++
30 lines
941 B
C++
#include <Storages/extractTableFunctionArgumentsFromSelectQuery.h>
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#include <Parsers/ASTExpressionList.h>
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#include <Parsers/ASTFunction.h>
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#include <Parsers/ASTLiteral.h>
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#include <Parsers/ASTSelectQuery.h>
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#include <Parsers/ASTTablesInSelectQuery.h>
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#include <Parsers/queryToString.h>
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namespace DB
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{
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ASTExpressionList * extractTableFunctionArgumentsFromSelectQuery(ASTPtr & query)
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{
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auto * select_query = query->as<ASTSelectQuery>();
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if (!select_query || !select_query->tables())
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return nullptr;
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auto * tables = select_query->tables()->as<ASTTablesInSelectQuery>();
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auto * table_expression = tables->children[0]->as<ASTTablesInSelectQueryElement>()->table_expression->as<ASTTableExpression>();
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if (!table_expression->table_function)
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return nullptr;
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auto * table_function = table_expression->table_function->as<ASTFunction>();
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return table_function->arguments->as<ASTExpressionList>();
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}
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}
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